Finding the Fourth Proportional to 5,741,767.92, 7,923,635.40 and 3,163,448.70
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Solution
The fourth proportional to 5,741,767.92, 7,923,635.40 and 3,163,448.70 is: 4,365,556.82
Step by Step Solution
- Step 1: Write the proportion equation
5,741,767.92 : 7,923,635.40 = 3,163,448.70 : x - Step 2: Convert to fraction form
5,741,767.92/7,923,635.40 = 3,163,448.70/x - Step 3: Cross multiply
5,741,767.92x = 7,923,635.40 × 3,163,448.70 - Step 4: Simplify right side
5,741,767.92x = 25,066,014,105,403.98 - Step 5: Solve for x
x = 25,066,014,105,403.98/5,741,767.92 - Step 6: Final answer
x = 4,365,556.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.